Which of the following is not true for a random variable X that is uniformly distributed over the interval $a \leq x \leq b$ ? $\begin{array}{|l|l|}
\hline A&E(X)=(a+b) / 2 \
\hline B&V(X)=(b-a)^{2} / 12\
\hline C&\sigma=(b-a) / 6\
\hline D&f(x)=\frac{1}{b-a} \text { if } a \leq x \leq b\
\hline
\end{array}$

Question

Which of the following is not true for a random variable X that is uniformly distributed over the interval $a \leq x \leq b$ ? $\begin{array}{|l|l|}
\hline  A&E(X)=(a+b) / 2 \
\hline  B&V(X)=(b-a)^{2} / 12\
\hline  C&\sigma=(b-a) / 6\
\hline  D&f(x)=\frac{1}{b-a} \text { if } a \leq x \leq b\
\hline 
\end{array}$

Quizplus · Accepted Answer

The Answer of Which of the following is not true for a random variable X that is uniformly distributed over the interval $a \leq x \leq b$ ? $\begin{array}{|l|l|}
\hline  A&E(X)=(a+b) / 2 \
\hline  B&V(X)=(b-a)^{2} / 12\
\hline  C&\sigma=(b-a) / 6\
\hline  D&f(x)=\frac{1}{b-a} \text { if } a \leq x \leq b\
\hline 
\end{array}$

Which of the Following Is Not True for a Random a≤x≤ba \leq x \leq ba≤x≤b

Which of the Following Is Not True for a Random $a \leq x \leq b$